The information on this page is a summary description. The full formal description is available here: Tribotte Formation Abbreviation TRO Parent unit Child units Lithological description In the Dyle basin, this formation shows three main lithofacies easily recognisable in the field. The lower third contains brownish grey, clayey fine sandstone and siltstone with coarse laminations...
The information on this page is a summary description. The full formal description is available here: Rigenée Formation Abbreviation RIG Parent unit Child units Lithological description Dark grey to bluish grey slate (mudstone and siltstone), vaguely or coarsely laminated or without any stratification, bearing locally pyrite. This formation was never studied in detail for lithology...
The information on this page is a summary description. The full formal description is available here: Ittre Formation Abbreviation ITT Parent unit Child units Lithological description Rhythmic alternation of beds, with sharp bedding planes, of light grey fine sandstone, medium grey siltstone, and dark grey mudstone. The sandstone beds are often >5 cm thick up...
The information on this page is a summary description. The full formal description is available here: Cimetière de Grand-Manil Formation Abbreviation Parent unit Child units Lithological description The formation shows faintly stratified greenish-grey to often olive-green slate (mudstone to siltstone). Slates with a more silty grainsize and pluricentimetric sequences of planar, oblique and convolute laminations...
The information on this page is a summary description. The full formal description is available here: Bornival Formation Abbreviation BNV Parent unit Child units Lithological description A centimetric alternation of dark grey mudstone and dark grey to blackish claystone with gradual transitions. In the clayey part abundant coarse silt grains are distributed throughout. The bedding...
The information on this page is a summary description. The full formal description is available here: Bois Grand-Père Formation Abbreviation BGP Parent unit Child units Lithological description Mostly medium to dark grey shale or slate unit, dark greenish grey at the base; at certain levels interbedding of many medium grey laminated siltstone beds and light...
The information on this page is a summary description. The full formal description is available here: Huet Formation Abbreviation HUE Parent unit Child units Lithological description Greenish to grey mudstone, siltstone and fine sandstone, poorly sorted, with characteristic orange-yellow alveoli of decalcified fossil fragments. Heterogeneous sub-metrical beds, with a faint fining upward granulometry, a slightly...
The information on this page is a summary description. The full formal description is available here: Fauquez Formation Abbreviation FAU Parent unit Child units Lithological description Centimetric to subcentimetric alternation of black slate and dark grey silty slate: lamination often present, are marked by millimetric to sub-millimetric pyrite crystals. From about 4 m above the...
The information on this page is a summary description. The full formal description is available here: Madot Formation Abbreviation MAD Parent unit Child units Lithological description Unit containing many volcanic rocks (volcano-sedimentary rock, volcanic breccias containing shale fragments), interstratified with greenish-grey heterogeneous coarse siltstone and mudstone rich in macrofossils such as bryozoans, brachiopods, crinoids, trilobites,...
The information on this page is a summary description. The full formal description is available here: Brutia Formation Abbreviation BRT Parent unit Child units Lithological description The lower Les Goutteux Member (new name) contains medium to dark grey slate (mudstone), compactly bedded that become darker in the upper part. In the first third of the...
